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The standard form of the equations is solved for __________ and the residual form is solved for _________

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in Computational Fluid Dynamics by (118k points)
The standard form of the equations is solved for __________ and the residual form is solved for _________

(a) flow variables, residuals

(b) flow variables, corrections

(c) corrections, flow variables

(d) residuals, flow variables

This question was posed to me in final exam.

This key question is from Relaxation in portion Discretization of the Source Term & Relaxation of Computational Fluid Dynamics

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Correct answer is (b) flow variables, corrections

The best explanation: The standard form of the equations is solved for the flow variables so that the algebraic equations are satisfied. The residual form of the discretized equations is solved for the corrections needed to satisfy those equations.

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